EP1022623A3 - Image forming apparatus - Google Patents

Image forming apparatus Download PDF

Info

Publication number
EP1022623A3
EP1022623A3 EP00101192A EP00101192A EP1022623A3 EP 1022623 A3 EP1022623 A3 EP 1022623A3 EP 00101192 A EP00101192 A EP 00101192A EP 00101192 A EP00101192 A EP 00101192A EP 1022623 A3 EP1022623 A3 EP 1022623A3
Authority
EP
European Patent Office
Prior art keywords
image forming
image
forming apparatus
coil
recording material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00101192A
Other languages
German (de)
French (fr)
Other versions
EP1022623A2 (en
EP1022623B1 (en
Inventor
Yasuhiro Hayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP1022623A2 publication Critical patent/EP1022623A2/en
Publication of EP1022623A3 publication Critical patent/EP1022623A3/en
Application granted granted Critical
Publication of EP1022623B1 publication Critical patent/EP1022623B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/50Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5004Power supply control, e.g. power-saving mode, automatic power turn-off
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/20Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/14Tools, e.g. nozzles, rollers, calenders
    • H05B6/145Heated rollers

Abstract

The present invention relates to an image forming apparatus which has image forming means for forming an image on a recording material, image fixing means, for fixing the image onto the recording material, having an electric conductor, a coil for inducing an eddy current in the electric conductor, and a power supply for supplying an alternating current to the coil, and electric power adjusting means for adjusting a maximum electric power that the power supply can supply to the coil.
EP00101192A 1999-01-22 2000-01-21 Power regulation for induction-type heat-fixing means depending on consumption of other parts of an image forming apparatus Expired - Lifetime EP1022623B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11013885A JP2000214709A (en) 1999-01-22 1999-01-22 Image forming device
JP1388599 1999-01-22

Publications (3)

Publication Number Publication Date
EP1022623A2 EP1022623A2 (en) 2000-07-26
EP1022623A3 true EP1022623A3 (en) 2001-09-05
EP1022623B1 EP1022623B1 (en) 2006-08-23

Family

ID=11845670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101192A Expired - Lifetime EP1022623B1 (en) 1999-01-22 2000-01-21 Power regulation for induction-type heat-fixing means depending on consumption of other parts of an image forming apparatus

Country Status (4)

Country Link
US (1) US6278852B1 (en)
EP (1) EP1022623B1 (en)
JP (1) JP2000214709A (en)
DE (1) DE60030182T2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4271790B2 (en) * 1999-09-22 2009-06-03 東芝テック株式会社 Fixing device
WO2001048559A1 (en) * 1999-12-28 2001-07-05 Toshiba Tec Kabushiki Kaisha Image forming apparatus and photographic fixing device
WO2001048560A1 (en) * 1999-12-28 2001-07-05 Toshiba Tec Kabushiki Kaisha Image forming device and fixing device
JP4508485B2 (en) * 2000-08-11 2010-07-21 キヤノン株式会社 Image heating apparatus, image forming apparatus, and setting method
JP4685235B2 (en) * 2000-12-06 2011-05-18 東芝テック株式会社 Image forming apparatus
JP2002222017A (en) * 2001-01-24 2002-08-09 Canon Inc Temperature controller
JP3902937B2 (en) * 2001-10-23 2007-04-11 キヤノン株式会社 Image heating device
JP2005049563A (en) * 2003-07-31 2005-02-24 Canon Inc Fixing apparatus and image forming apparatus equipped with the same
JP4353111B2 (en) 2004-04-20 2009-10-28 コニカミノルタビジネステクノロジーズ株式会社 Image forming apparatus
JP4262140B2 (en) * 2004-06-07 2009-05-13 キヤノン株式会社 Image forming apparatus
DE602005010007D1 (en) * 2004-07-15 2008-11-13 Konica Minolta Business Tech Image forming apparatus
JP4617135B2 (en) * 2004-10-25 2011-01-19 キヤノン株式会社 Image forming apparatus
JP4595678B2 (en) * 2005-05-27 2010-12-08 コニカミノルタビジネステクノロジーズ株式会社 Image forming apparatus
US7205513B2 (en) * 2005-06-27 2007-04-17 Xerox Corporation Induction heated fuser and fixing members
US7580649B2 (en) * 2007-04-17 2009-08-25 Kabushiki Kaisha Toshiba Fixing device for image forming apparatus and control method thereof
US20130136508A1 (en) * 2011-11-30 2013-05-30 Shuuichi Nakagawa Developing apparatus, image forming apparatus and process cartridge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0242455A (en) * 1988-08-02 1990-02-13 Ricoh Co Ltd Method for controlling copying machine or the like
EP0420523A2 (en) * 1989-09-27 1991-04-03 Mita Industrial Co. Ltd. Heater control system
JPH10301442A (en) * 1997-04-23 1998-11-13 Canon Inc Heating device, fixing device and image forming device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6006051A (en) * 1995-10-19 1999-12-21 Ricoh Company, Ltd. Electrophotographic apparatus and image forming apparatus employed therein with controlled timing of a power supply
JP3338743B2 (en) * 1995-10-19 2002-10-28 株式会社リコー Electrophotographic equipment
JP3376785B2 (en) * 1995-12-01 2003-02-10 ミノルタ株式会社 Induction heating fixing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0242455A (en) * 1988-08-02 1990-02-13 Ricoh Co Ltd Method for controlling copying machine or the like
EP0420523A2 (en) * 1989-09-27 1991-04-03 Mita Industrial Co. Ltd. Heater control system
JPH10301442A (en) * 1997-04-23 1998-11-13 Canon Inc Heating device, fixing device and image forming device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 201 (P - 1041) 24 April 1990 (1990-04-24) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 02 26 February 1999 (1999-02-26) *

Also Published As

Publication number Publication date
DE60030182D1 (en) 2006-10-05
DE60030182T2 (en) 2007-07-12
EP1022623A2 (en) 2000-07-26
EP1022623B1 (en) 2006-08-23
US6278852B1 (en) 2001-08-21
JP2000214709A (en) 2000-08-04

Similar Documents

Publication Publication Date Title
EP1022623A3 (en) Image forming apparatus
AU9362998A (en) Method and device for controlling the magnetic flux with an auxiliary winding ina rotating high voltage electric alternating current machine
EP0902603A3 (en) Strip heating coil apparatus with series power supplies
UA89792C2 (en) Apparatus for levitation of an amount of conductive material and a method for generating an amount of levitated conductive material
DE69833155T8 (en) Coil connection device for an exciter multipole generator
TW343004U (en) Electric power transferring apparatus
EP0947891A3 (en) Heating roller for a fixing apparatus
EP1284487A3 (en) Transformer shielding
EP1180730A3 (en) Image heating apparatus of induction heating type
DK1228559T3 (en) Electric machine with a winding
EP0915394A3 (en) Image fixing apparatus
EP0678709A3 (en) Electric current self-control device.
GB0214324D0 (en) Reluctance generator for an eddy current braking system
ZA987864B (en) Document feeding apparatus.
EP0585703A3 (en) Method and means for measuring electrical quantities, especially the current, in an electric motor fed by a frequency transformer.
AU2001289717A1 (en) Device for inductively heating workpieces
GB0003967D0 (en) Electrostatic image forming apparatus and method for controlling the same
EP1014222A3 (en) Image heating apparatus having a plurality of heaters
EP0928833A3 (en) Electric heating treatment method, electric heating treatment apparatus, and electrode for electric heating treatment apparatus
ZA973970B (en) Direct current electric furnaces.
HUP0100396A3 (en) Feeding device for electrical shaft furnaces
EP1006757A3 (en) Magnetic heating system
AU5523899A (en) Electric apparatus with supply voltage control, operating in alternating or direct current
EP1014211A3 (en) Image forming apparatus capable of adjusting AC applied to charging member
HK1022514A1 (en) Electric furnace cooling apparatus.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20020205

AKX Designation fees paid

Free format text: DE FR GB IT

17Q First examination report despatched

Effective date: 20031219

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: POWER REGULATION FOR INDUCTION-TYPE HEAT-FIXING MEANS DEPENDING ON CONSUMPTION OF OTHER PARTS OF AN IMAGE FORMING APPARATUS

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20060823

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60030182

Country of ref document: DE

Date of ref document: 20061005

Kind code of ref document: P

EN Fr: translation not filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20070524

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060823

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20090131

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100803